Isao Yahagi

This inventor holds 11 USPTO granted patents and 7 published patent applications and 2 EPO patents. Top assignees: Sumitomo Chemical Company, Limited, Fujitsu Corporation. Active years: 1998-2016.

USPTO Granted Patents = 11 (Patent Applications = 7)

% Patents Active = 36.4

EPO Patents = 2 (Patent Applications = 4)

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 15(Granted Patents)

Location History:

Ibaraki, JP (2002 - 2008)
Tsuchiura, JP (2004 - 2013)
Tsukuba, JP (1998 - 2016)

Company Filing History:

9 out of 6,959

Sumitomo Chemical Company, Limited

Years Active: 1998-2016

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9461257 - Electronic device insulating layer, and method for producing electronic device insulating layer (2016-10-04),

2. 9362512 - Electronic device insulating layer material capable of forming an insulating layer at low temperature (2016-06-07),

3. 9035292 - Organic thin-film transistor insulating layer material (2015-05-19),

4. 8507898 - Organic thin film transistor, method for manufacturing the same, display member using the organic thin film transistor, and display (2013-08-13),

5. 8476621 - Resin composition, gate insulating layer, and organic thin film transistor (2013-07-02),

6. 7439010 - Alkali-soluble siloxane polymer, positive type resist composition, resist pattern, process for forming the same, electronic device and process for manufacturing the same (2008-10-21),

7. 6949324 - Alkali-soluble siloxane polymer, positive type resist composition, resist pattern, process for forming the same, electronic device and process for manufacturing the same (2005-09-27),

8. 6743885 - Resin composition for intermediate layer of three-layer resist (2004-06-01),

9. 6696588 - Silicon-containing compound and organic electroluminescence device using the same (2004-02-24),

10. 6369258 - Silicon-containing compound and organic electroluminescence device using the same (2002-04-09),

11. 5830972 - Polysilane, its production process and starting materials therefor (1998-11-03),

Title: Isao Yahagi: Innovator in Electronic Device Insulating Layers

Introduction

Isao Yahagi is a prominent inventor based in Ibaraki, Japan. He has made significant contributions to the field of electronic devices, particularly in the development of insulating layers that enhance device performance. With a total of 11 patents to his name, Yahagi's work is recognized for its innovative approach and practical applications.

Latest Patents

Yahagi's latest patents include an electronic device insulating layer and a method for producing this insulating layer. The objective of his invention is to provide an insulating layer that improves the characteristics of electronic devices. The insulating layer consists of a first layer made from a photosensitive resin material, tungsten (V) alkoxide, and a basic compound, along with a second layer formed from a polymer compound that contains a cyclic ether structure and an organic group capable of producing a phenolic hydroxyl group through acid action. This innovative approach allows for the formation of insulating layers at low temperatures, which is crucial for modern electronic applications.

Career Highlights

Throughout his career, Isao Yahagi has worked with notable companies such as Sumitomo Chemical Company, Limited and Fujitsu Corporation. His experience in these organizations has contributed to his expertise in the field of electronic materials and device engineering.

Collaborations

Yahagi has collaborated with esteemed colleagues, including Masato Ueda and Fumi Yamaguchi. These partnerships have fostered a creative environment that has led to advancements in electronic device technology.

Conclusion

Isao Yahagi's contributions to the field of electronic device insulating layers demonstrate his innovative spirit and commitment to enhancing technology. His patents reflect a deep understanding of materials science and engineering, making him a key figure in the advancement of electronic devices.